# Assign

> The **Assign** activity helps you manage data within your API workflows. Use it to set ot update the values of variables, ensuring you workflows always has the correct information at hand.

The **Assign** activity helps you manage data within your API workflows. Use it to set ot update the values of variables, ensuring you workflows always has the correct information at hand.

## Using the Assign activity

To add an **Assign** activity to your workflow:

1. On your API workflow designer canvas, select the plus (+) icon. The **Add activity** menu appears.
2. Select **More ...** , then **Assign**.
3. In the **Properties** panel, configure the following fields:
   * **To variable**—Specify the variable to receive the new value. You can either select an existing variable, or create a new one.
   * **Set value**—Define the value to assign to the chosen variable. It can be a static value, a dynamic expression, or the output of another activity.
4. Debug the workflow to execute the activity and generate output fields for later use.